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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY	TOKYO TOKYO METROPOLIS

International Classification(s)

• D01C:CHEMICAL TREATMENT OF NATURAL FILAMENTARY OR FIBRO....
• B04B:CENTRIFUGES
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
• D01F:CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL....
• B01D:SEPARATION
• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Jin, Hehua	Ibaraki, JP	6	16
Kataura, Hiromichi	Ibaraki, JP	17	185
Miyata, Yasumitsu	Ibaraki, JP	2	26
Tanaka, Takeshi	Ibaraki, JP	347	3882

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Oct 15, 2025

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
April 15, 2014	US,8697026,B2   US8697026B2	GRANTED PATENT AS SECOND PUBLICATION
July 29, 2010	US,20100189626,A1   US20100189626A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8697026

High efficient carbon nanotube separation method

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